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OpenAL: Crush that annoying bug where volume changes creates clicks in the sound. 

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@6236 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Eukara 2022-05-05 23:28:33 +00:00
parent bc8895c5fa
commit 7fea1f33ee
3 changed files with 9 additions and 4 deletions
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2
engine/client/snd_al.c
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@ -1074,7 +1074,7 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
if (schanged)
{
if (schanged == CUR_UPDATE && chan->pos)
if (schanged & CUR_OFFSET && chan->pos)
{ //complex update, but not restart. pos contains an offset, rather than an absolute time.
palSourcei(src, AL_SAMPLE_OFFSET, (chan->pos>>PITCHSHIFT));
}

4
engine/client/snd_dma.c
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@ -2900,6 +2900,9 @@ static void S_UpdateSoundCard(soundcardinfo_t *sc, qboolean updateonly, channel_
return;
}
if (timeoffset != 0.0)
chanupdatetype |= CUR_OFFSET;
if (!ratemul) //rate of 0
ratemul = 1;
ratemul *= snd_playbackrate.value;
@ -2913,6 +2916,7 @@ static void S_UpdateSoundCard(soundcardinfo_t *sc, qboolean updateonly, channel_
// spatialize
if (target_chan->sfx != sfx)
chanupdatetype |= CUR_SOUNDCHANGE;
memset (target_chan, 0, sizeof(*target_chan));
if (!origin)
{

7
engine/client/sound.h
View File

@ -346,10 +346,11 @@ extern sounddriver pAHI_InitCard;
typedef enum
{
CUR_SPACIALISEONLY = 0, //for ticking over, respacialising, etc
CUR_UPDATE = (1u<<1), //flags/rate/offset changed without changing the sound itself
CUR_SPACIALISEONLY = 0, //for ticking over, respacialising, etc
CUR_UPDATE = (1u<<1), //flags/rate changed without changing the sound itself
CUR_SOUNDCHANGE = (1u<<2), //the audio file changed too. reset everything.
CUR_EVERYTHING = CUR_UPDATE|CUR_SOUNDCHANGE
CUR_OFFSET = (1u<<3),
CUR_EVERYTHING = CUR_UPDATE|CUR_SOUNDCHANGE|CUR_OFFSET
} chanupdatereason_t;
struct soundcardinfo_s { //windows has one defined AFTER directsound